# Relationship history for MSHA mine 3610467

Current hierarchy: **Leboeuf Township → LEBOEUF TOWNSHIP → Mystic Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** LEBOEUF TOWNSHIP → Mystic Pit; 2025-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Leboeuf Township → Mystic Pit; 2025-04-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leboeuf Township → LEBOEUF TOWNSHIP; 2025-04-24 to current/open; source msha-controller-operator-history